The findings are exciting, Hoebel said, but more research is needed to understand the implications for people.

这些发现令人振奋，Hoebel说，但仍需要更多研究以了解对于人们的牵连。

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Professor Bart Hoebel and his team in the Department of Psychology and the Princeton Neuroscience Institute have been studying signs of sugar addiction in rats for years.

Bart Hoebel教授以及他在心理学系还有Princeton神经科学研究所的团队，多年来在大鼠的身上研究糖成瘾(sugar addiction)的症候。

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Dr Hoebel said he believed high-fat foods stimulate opioids or 'pleasure chemicals' in the brain.

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